diff options
| -rw-r--r-- | src/mdevd/mdevd.c | 48 |
1 files changed, 4 insertions, 44 deletions
diff --git a/src/mdevd/mdevd.c b/src/mdevd/mdevd.c index 6bcdf98..f360ac7 100644 --- a/src/mdevd/mdevd.c +++ b/src/mdevd/mdevd.c @@ -37,8 +37,7 @@ #include <skalibs/iopause.h> #include <skalibs/socket.h> #include <skalibs/skamisc.h> -#include <skalibs/surf.h> -#include <skalibs/random.h> +#include <skalibs/unix-transactional.h> #include <mdevd/config.h> @@ -60,7 +59,6 @@ static pid_t pid = 0 ; static unsigned int verbosity = 1 ; static char const *slashsys = "/sys" ; static char const *fwbase = "/lib/firmware" ; -static SURFSchedule surf_ctx = SURFSCHEDULE_ZERO ; static unsigned int root_maj, root_min ; struct envmatch_s @@ -147,20 +145,6 @@ static inline void script_free (scriptelem *script, unsigned short scriptlen, st for (i = 0 ; i < envmatchlen ; i++) regfree(&envmatch[i].re) ; } -static inline void mdevd_random_init (void) -{ - char seed[160] ; - random_makeseed(seed) ; - surf_init(&surf_ctx, seed) ; -} - -static inline void surfname (char *s, size_t n) -{ - static char const oklist[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZghijklmnopqrstuvwxyz-_0123456789abcdef" ; - surf(&surf_ctx, s, n) ; - while (n--) s[n] = oklist[s[n] & 63] ; -} - static inline int mkdirp (char *s) { size_t n = strlen(s) ; @@ -793,33 +777,10 @@ static inline int run_scriptelem (struct uevent_s *event, scriptelem const *elem { if (!makesubdirs(devname)) return -1 ; if (dryrun) strerr_warni4x("dry run: symlink ", node, " to ", devname) ; - else if (symlink(node, devname) < 0) + else if (atomic_symlink(node, devname, "mdevd") < 0) { - if (errno != EEXIST) - { - if (verbosity) - strerr_warnwu4sys("symlink ", node, " to ", devname) ; - return -1 ; - } - else - { - char tmppath[devnamelen + 20] ; - memcpy(tmppath, devname, devnamelen) ; - memcpy(tmppath + devnamelen, ":mdevd-", 7) ; - surfname(tmppath + devnamelen + 7, 12) ; - tmppath[devnamelen + 19] = 0 ; - if (symlink(node, tmppath) < 0) - { - if (verbosity) - strerr_warnwu4sys("symlink ", node, " to ", tmppath) ; - } - else if (rename(tmppath, devname) < 0) - { - if (verbosity) - strerr_warnwu4sys("rename ", tmppath, " to ", devname) ; - unlink_void(tmppath) ; - } - } + if (verbosity) strerr_warnwu4sys("symlink ", node, " to ", devname) ; + return -1 ; } } } @@ -1117,7 +1078,6 @@ int main (int argc, char const *const *argv) } tain_now_set_stopwatch_g() ; - mdevd_random_init() ; umask(0) ; while (cont) |